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SDCL1608CR12JTDF
Shenzhen Sunlord Electronics Co., Ltd.
FIXED IND 120NH 200MA 1.4OHM SMD
27123 Pcs New Original In Stock
120 nH Unshielded Multilayer Inductor 200 mA 1.4Ohm Max 0603 (1608 Metric)
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SDCL1608CR12JTDF
Product Overview
9877673
DiGi Electronics Part Number
SDCL1608CR12JTDF-DGManufacturer
Shenzhen Sunlord Electronics Co., Ltd.
SDCL1608CR12JTDF
Description
FIXED IND 120NH 200MA 1.4OHM SMDInventory
27123 Pcs New Original In Stock
120 nH Unshielded Multilayer Inductor 200 mA 1.4Ohm Max 0603 (1608 Metric)
Quantity
Minimum 1
Minimum 1
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SDCL1608CR12JTDF Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
SDCL-D
Product Status
Active
Type
Multilayer
Material - Core
Ceramic
Inductance
120 nH
Tolerance
±5%
Current Rating (Amps)
200 mA
Current - Saturation (Isat)
-
Shielding
Unshielded
DC Resistance (DCR)
1.4Ohm Max
Q @ Freq
8 @ 50MHz
Frequency - Self Resonant
600MHz
Ratings
-
Operating Temperature
-55°C ~ 125°C
Inductance Frequency - Test
50 MHz
Features
-
Mounting Type
Surface Mount
Package / Case
0603 (1608 Metric)
Supplier Device Package
0603
Size / Dimension
0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)
0.037" (0.95mm)
Datasheet & Documents
HTML Datasheet
SDCL1608CR12JTDF-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
3442-SDCL1608CR12JTDFTR
Standard Package
4,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Ich schätze die klare Kommunikation bei den Preisen und den zuverlässigen Service sehr.
Dec 02, 2025
Every interaction reaffirms their professionalism and dedication to customer satisfaction.
Dec 02, 2025
Their technical staff is knowledgeable, ensuring we receive accurate and helpful advice.
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Frequently Asked Questions (FAQ)
Can the SDCL1608CR12JTDF be safely used in a high-density buck converter layout where adjacent components generate significant magnetic fields, and what are the risks of using an unshielded inductor like this in such an environment?
The SDCL1608CR12JTDF is an unshielded multilayer ceramic inductor, making it susceptible to magnetic coupling from nearby inductors, transformers, or high-di/dt traces. In high-density buck converters, this can lead to unwanted noise injection, reduced efficiency, or instability due to mutual inductance. To mitigate risk, maintain at least 2–3 times the component height (≥2 mm) spacing from other magnetic components, orient it perpendicular to neighboring inductors, and avoid placing it directly under or over power stages. If board space is constrained, consider a shielded alternative like the Murata LQW18AN12NJ00D or TDK MLG1608Q120JT000 for better field containment.
What are the key reliability concerns when replacing a shielded wirewound inductor (e.g., Bourns SRN1608-120M) with the SDCL1608CR12JTDF in a 5G RF front-end matching network operating near 500 MHz?
While the SDCL1608CR12JTDF has a self-resonant frequency (SRF) of 600 MHz—technically above your 500 MHz operating point—its unshielded ceramic multilayer construction exhibits lower Q factor (8 @ 50 MHz) and higher parasitic capacitance compared to wirewound types. This can degrade impedance matching accuracy and increase insertion loss in sensitive RF paths. Additionally, ceramic core materials may show microphonic effects under vibration. Validate performance with network analyzer measurements; if return loss or gain flatness degrades, consider a higher-Q shielded RF inductor such as the Coilcraft 0603CS-120XGL or Johanson Technology 2520BM15A120T instead.
How does the DC resistance (1.4 Ω max) of the SDCL1608CR12JTDF impact thermal performance in a battery-powered IoT device drawing 150 mA continuously through the inductor?
At 150 mA, the SDCL1608CR12JTDF dissipates approximately P = I²R = (0.15)² × 1.4 ≈ 31.5 mW. While this seems low, in compact IoT modules with limited airflow and high ambient temperatures (e.g., industrial enclosures), localized heating can raise the inductor’s temperature beyond safe limits—especially near its 125°C max rating. Over time, this accelerates aging of the solder joints and internal layers. Use thermal imaging during prototype testing and ensure adequate copper pour around the pad for heat spreading. If junction temperatures exceed 100°C, consider a lower-DCR alternative like the Würth Elektronik WE-KI 7447977120 (0.35 Ω) despite its larger footprint.
Is the SDCL1608CR12JTDF suitable for automotive-grade applications requiring AEC-Q200 compliance, and what derating practices should be applied given its -55°C to 125°C operating range?
The SDCL1608CR12JTDF is not AEC-Q200 qualified, which makes it unsuitable for direct use in automotive powertrain, safety, or under-hood applications. Even though its temperature range (-55°C to 125°C) overlaps with automotive requirements, lack of qualification means no guaranteed reliability under vibration, humidity, or thermal cycling stress. If used in non-critical infotainment subsystems, apply aggressive derating: limit current to ≤70% of rated 200 mA (i.e., ≤140 mA) and ensure PCB layout minimizes mechanical stress. For certified designs, replace with an AEC-Q200-compliant equivalent such as the Vishay IHLP1212BZER1R2M01 or Taiyo Yuden NR3012T120M.
When designing a compact EMI filter for a USB 3.0 interface, can the SDCL1608CR12JTDF serve as a common-mode choke substitute, and what pitfalls should I avoid?
The SDCL1608CR12JTDF is a single-ended fixed inductor, not a coupled-winding common-mode choke, so it cannot provide differential-to-common-mode noise rejection required in USB 3.0 EMI filtering. Using it in this role will fail to suppress common-mode noise above 1 GHz, potentially causing radiated emissions failures. Additionally, its low SRF (600 MHz) places it near the USB 3.0 fundamental frequency (~2.5 GHz harmonics), risking resonance and signal integrity degradation. Instead, use a true common-mode choke like the Murata DLW21SN121SQ2L or STMicroelectronics STL2R2M1010A, which offer controlled impedance, high CM impedance above 100 MHz, and proper differential signal preservation.
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SDCL1608CR12JTDF CAD Models
Shenzhen Sunlord Electronics Co., Ltd. SDCL1608CR12JTDF PCB symbols & footprints
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